public static DirectLabourPrice GetInstance()
{
if (dlpform == null || dlpform.IsDisposed)
{
dlpform = new DirectLabourPrice();
}
return(dlpform);
}
private void barButtonItem直接人工费率_ItemClick(object sender, ItemClickEventArgs e)
{
bool isopen = true;
foreach (Form f in this.MdiChildren)
{
if (f.Name == "DirectLabourPrice")
{
f.Visible = true;
f.Activate();
f.WindowState = FormWindowState.Maximized;
isopen = false;
break;
}
}
if (isopen)
{
DirectLabourPrice Frm = DirectLabourPrice.GetInstance();
Frm.MdiParent = this;
Frm.WindowState = FormWindowState.Maximized;
Frm.Show();
}
}
